The Great Wall
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| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | VT-2000H |
| Cooling Capacity | 640 W at −10°C, 400 W at −20°C, 200 W at −30°C, 20 W at −40°C |
| Minimum No-Load Temperature | −40°C |
| Cooling Method | Direct refrigeration |
| Temperature Display | Digital, Pt100 sensor |
| Temperature Setting Range | Adjustable within operational range |
| Safety Protections | Delay start, overcurrent protection, overtemperature protection |
| Moisture Removal Capacity | Max. 1 kg (water-based systems) |
| Refrigerant | R404A |
| Trap Chamber Dimensions | Ø160 × 240 mm |
| Chamber Material | 06Cr19Ni10 (AISI 304 stainless steel) |
| Vacuum Port | Flexible hose connector, OD Ø12 mm |
| Ambient Operating Conditions | 5–35°C, ≤70% RH |
| Power Supply | 220–240 V~, 50 Hz |
| Total Power Consumption | 819 W |
| Input Current | 3.7 A |
| Overall Dimensions (W×D×H) | 360 × 590 × 889 mm |
| Net Weight | 60 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Manufacturer |
| Model | VT-2000H |
| Cooling Method | Direct contact cooling |
| Minimum No-Load Temperature | −40 °C |
| Temperature Display | Digital, Pt100 sensor |
| Temperature Setting Range | Adjustable within operating range |
| Safety Protections | Delay start, overcurrent protection, overtemperature protection |
| Dehumidification Capacity | Max. 1 kg (water-based systems) |
| Refrigeration Capacity | 640 W at −10 °C |
| Refrigerant | R404A |
| Trap Chamber Dimensions | Ø160 × 240 mm |
| Chamber Material | 06Cr19Ni10 (AISI 304 stainless steel) |
| Vacuum Tubing Interface | Flexible hose connector, OD Ø12 mm |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Power Input | 220–240 V~, 50 Hz |
| Total Power Consumption | 819 W |
| Rated Current | 3.7 A |
| Overall Dimensions (W×D×H) | 360 × 590 × 889 mm |
| Net Weight | 60 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Model | VT-2000H Water Vapor Trap |
| Cooling Method | Direct Contact Cooling |
| Minimum No-Load Temperature | −40 °C |
| Temperature Display | Digital (Pt100 Sensor) |
| Adjustable Setpoint Range | Within Operating Range |
| Safety Protections | Delayed Start, Overcurrent & Overtemperature Protection |
| Dehumidification Capacity | Up to 1 kg (Water-Based Systems) |
| Refrigeration Capacity | 640 W at −10 °C |
| Refrigerant | R404A |
| Trap Chamber Dimensions | Ø160 × 240 mm |
| Chamber Material | 06Cr19Ni10 (AISI 304 Stainless Steel) |
| Vacuum Interface | Flexible Hose Fitting, OD Ø12 mm |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Power Supply | 220–240 V~, 50 Hz |
| Total Power Consumption | 819 W |
| Input Current | 3.7 A |
| Unit Dimensions (W×D×H) | 360 × 590 × 889 mm |
| Net Weight | 60 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | VT-2000 |
| Pricing | Upon Request |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | VT-2000HC |
| Price | USD 2,150 (approx.) |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | VT-2000L |
| Price | Upon Request |
| Empty Minimum Temperature | −80 °C |
| Cooling Method | Direct Contact Cooling |
| Temperature Display | Digital (Pt100 Sensor) |
| Temperature Setting Range | Adjustable Within Operating Range |
| Safety Protections | Delay Start, Overcurrent Protection, Overtemperature Protection |
| Moisture Removal Capacity | Up to 1 kg (Water-Based Systems) |
| Refrigeration Capacity | 260 W at −40 °C, 110 W at −60 °C, 40 W at −80 °C |
| Refrigerants | R404A + R23 Dual-Circuit System |
| Trap Chamber Dimensions | Ø160 mm × 240 mm |
| Chamber Material | 06Cr19Ni10 (AISI 304 Stainless Steel) |
| Vacuum Line Connection | Flexible Hose Fitting, OD Ø12 mm |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Total Power Consumption | 1580 W |
| Rated Current | 7.2 A |
| Power Supply | 220–240 V~, 50 Hz |
| Overall Dimensions (W×D×H) | 520 × 528 × 1190 mm |
| Net Weight | 100 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Manufacturer |
| Model | VT-2000L |
| Cooling Capacity | 260 W at −40 °C / 110 W at −60 °C / 40 W at −80 °C |
| Minimum No-Load Temperature | −80 °C |
| Cooling Method | Direct refrigeration |
| Temperature Display | Digital (Pt100 sensor) |
| Temperature Setpoint Range | Adjustable within operational range |
| Safety Protections | Delayed start, overcurrent protection, overtemperature protection |
| Moisture Removal Capacity | ≤1 kg (water-based systems) |
| Refrigerants | R404A + R23 |
| Trap Chamber Dimensions | Ø160 × 240 mm |
| Chamber Material | 06Cr19Ni10 (AISI 304 stainless steel) |
| Condenser Interface | Flexible tubing connection, OD Ø12 mm |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Power Supply | 220–240 V~, 50 Hz |
| Total Power Consumption | 1580 W |
| Input Current | 7.2 A |
| Overall Dimensions (W×D×H) | 520 × 528 × 1190 mm |
| Net Weight | 100 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | VT-2000L |
| Price | Upon Request |
| Empty Minimum Temperature | −80 °C |
| Cooling Method | Direct Contact Cooling |
| Temperature Display | Digital (Pt100 Sensor) |
| Temperature Setting Range | Adjustable Within Operating Range |
| Safety Protections | Delay Start, Overcurrent Protection, Overtemperature Protection |
| Moisture Removal Capacity | Up to 1 kg (Water-Based Systems) |
| Refrigeration Capacity | 260 W at −40 °C, 110 W at −60 °C, 40 W at −80 °C |
| Refrigerants | R404A + R23 Dual-Circuit System |
| Trap Chamber Dimensions | Ø160 mm × 240 mm |
| Chamber Material | 06Cr19Ni10 (AISI 304 Stainless Steel) |
| Vacuum Port Interface | Flexible Hose Fitting, OD Ø12 mm |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Total Power Consumption | 1580 W |
| Rated Current | 7.2 A |
| Power Supply | 220–240 V~, 50 Hz |
| Overall Dimensions (W×D×H) | 520 × 528 × 1190 mm |
| Net Weight | 100 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Model | VT-2000L |
| Cooling Capacity | 260 W at −40 °C / 110 W at −60 °C / 40 W at −80 °C |
| Minimum No-Load Temperature | −80 °C |
| Refrigerants | R404A + R23 |
| Trap Chamber Dimensions | Ø160 × 240 mm |
| Chamber Material | 06Cr19Ni10 (AISI 304 stainless steel) |
| Condenser Options | Direct-chamber trapping or optional borosilicate glass cold finger |
| Temperature Display | Digital, Pt100 sensor |
| Temperature Setting Range | Adjustable within operational range |
| Safety Protections | Delayed start, overcurrent protection, overtemperature cutoff |
| Moisture Removal Capacity | ≤1 kg (water-based solvents) |
| Vacuum Port | Flexible hose connector, OD 12 mm |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Power Supply | 220–240 V~, 50 Hz |
| Rated Power | 1580 W |
| Input Current | 7.2 A |
| Overall Dimensions (W×D×H) | 520 × 528 × 1190 mm |
| Net Weight | 100 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | VT-2000L Cryogenic Vapor Trap |
| Quotation | Upon Request |
| Empty Load Minimum Temperature | −80 °C |
| Cooling Method | Direct Contact Cooling |
| Temperature Display | Digital (Pt100 Sensor) |
| Temperature Setting Range | Adjustable Within Operating Range |
| Safety Protections | Delay Start, Overcurrent Protection, Overtemperature Protection |
| Moisture Removal Capacity | Up to 1 kg (Water-Based Systems) |
| Refrigeration Capacity | 260 W at −40 °C |
| Refrigerants | R404A + R23 Dual-Circuit System |
| Trap Chamber Dimensions | Ø160 mm × 240 mm |
| Chamber Material | 06Cr19Ni10 (AISI 304 Stainless Steel) |
| Vacuum Port Interface | Flexible Hose Fitting, OD Ø12 mm |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Total Power Consumption | 1580 W |
| Rated Current | 7.2 A |
| Power Supply | 220–240 V~, 50 Hz |
| Overall Dimensions (W×D×H) | 520 mm × 528 mm × 1190 mm |
| Net Weight | 100 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Manufacturer |
| Model | VT-2000LC |
| Cooling Capacity | 260 W at −40 °C, 110 W at −60 °C, 40 W at −80 °C |
| Minimum No-Load Temperature | −80 °C |
| Cooling Method | Indirect refrigeration |
| Temperature Display | Digital, Pt100 sensor |
| Temperature Setpoint Range | Adjustable within operational range |
| Safety Protections | Delayed start, overcurrent protection, overtemperature protection |
| Refrigerants | R404A + R23 |
| Cold Trap Chamber Dimensions | Ø160 × 250 mm |
| Condenser Flask Dimensions | Ø50 × 300 mm |
| Chamber Material | 304 stainless steel |
| Condenser Flask Material | Borosilicate glass (Duran-type, 3.3 expansion coefficient) |
| Flask Quantity | 3 pcs |
| Vacuum Port | Flexible hose connector, OD Ø12 mm |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Power Supply | 220–240 V~, 50 Hz |
| Total Power Consumption | 1580 W |
| Input Current | 7.2 A |
| Overall Dimensions (W×D×H) | 438 × 528 × 1210 mm |
| Net Weight | 100 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | VT-40 |
| Price | USD 2,380 (approx.) |
| Minimum No-Load Temperature | −40 °C |
| Cooling Method | Indirect Refrigeration |
| Temperature Display | Digital, Pt100 Sensor |
| Temperature Setting Range | Adjustable Within Operating Range |
| Safety Protections | Delay Start, Overcurrent, Overheat, High-Pressure Cut-off |
| Refrigeration Capacity | 300 W at −10 °C, 250 W at −20 °C, 150 W at −30 °C, 50 W at −35 °C |
| Refrigerant | R404A |
| Cold Trap Chamber Dimensions | Ø160 × 250 mm |
| Condensation Flask Dimensions | Ø50 × 300 mm |
| Chamber Material | AISI 304 Stainless Steel |
| Flask Material | DIN 3.3 Borosilicate Glass (Grade ISO 3585) |
| Flask Quantity | 3 pcs |
| Vacuum Port Interface | Flexible Hose Fitting, OD 12 mm |
| Ambient Operating Temperature | 5–35 °C |
| Max. Relative Humidity | ≤70% RH |
| Total Power Consumption | 530 W |
| Rated Current | 2.9 A |
| Power Supply | 220 V~, 50 Hz |
| Unit Dimensions (W×D×H) | 350 × 470 × 805 mm |
| Net Weight | 45 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | VT-40x |
| Cooling Medium | R404A |
| Minimum No-Load Temperature | −40 °C |
| Cooling Method | Direct Contact Cooling |
| Temperature Display | Digital, Pt100 Sensor |
| Adjustable Setpoint Range | Within Operating Range |
| Safety Protections | Delay Start, Overcurrent, Overtemperature, High-Pressure Cut-off |
| Refrigeration Capacity | 300 W at −10 °C, 250 W at −20 °C, 150 W at −30 °C, 50 W at −35 °C |
| Trap Chamber Dimensions | Ø160 × 250 mm |
| Chamber Material | 06Cr19Ni10 (AISI 304 Stainless Steel) |
| Vacuum Port | KF25 |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Power Supply | 220 V~, 50 Hz |
| Total Power Consumption | 530 W |
| Rated Current | 2.9 A |
| Unit Dimensions (W×D×H) | 388 × 454 × 780 mm |
| Net Weight | 48 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | VT-40x Water Vapor Trap |
| Quotation | Upon Request |
| Minimum No-Load Temperature | −40 °C |
| Cooling Method | Direct Contact Cooling |
| Temperature Display | Digital (Pt100 Sensor) |
| Temperature Setting Range | Adjustable Within Operating Range |
| Safety Protections | Delay Start, Overcurrent, Overheat, High-Pressure Cut-off |
| Refrigeration Capacity | 300 W at −10 °C |
| Refrigerant | R404A |
| Trap Chamber Dimensions | Ø160 mm × 250 mm |
| Chamber Material | 06Cr19Ni10 (AISI 304 Stainless Steel) |
| Vacuum Port Interface | KF25 |
| Ambient Temperature Range | 5–35 °C |
| Max. Relative Humidity | ≤70% RH |
| Total Power Consumption | 530 W |
| Rated Current | 2.9 A |
| Power Supply | 220 V~, 50 Hz |
| Overall Dimensions (W×D×H) | 388 mm × 454 mm × 780 mm |
| Net Weight | 48 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | VT-5000H |
| Pricing | Available Upon Request |
| Cooling Method | Direct Cylinder Cooling (Integrated Cold Trap Chamber) |
| Maximum Condensation Capacity | 4 kg (Water Vapor) |
| Minimum Achievable Temperature | −40 °C |
| Temperature Display | Digital LED Display |
| Chamber Material | SUS304 Stainless Steel |
| Internal Chamber Dimensions | Φ220 × 180 mm |
| Ambient Operating Temperature Range | 5–25 °C |
| Power Supply | 220 V / 50 Hz |
| Optional Accessory | Borosilicate Glass Condenser (for Acid- and Organic Solvent-Compatible Operation) |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | VT-5000HC |
| Quotation | Upon Request |
| Minimum Empty Load Temperature | −40 °C |
| Cooling Method | Indirect Refrigeration |
| Temperature Display | Digital (Pt100 Sensor) |
| Temperature Setting Range | Adjustable Within Operating Range |
| Safety Protections | Delay Start, Overcurrent Protection, Overtemperature Protection |
| Refrigeration Capacity | 920 W at −10 °C, 520 W at −20 °C, 280 W at −30 °C, 40 W at −40 °C |
| Refrigerant | R404A |
| Cold Trap Chamber Dimensions | Ø250 × 250 mm |
| Condenser Flask Dimensions | Ø50 × 300 mm |
| Condenser Flask Material | Borosilicate Glass 3.3 |
| Quantity of Flasks | 3 |
| Vacuum Line Connection | Flexible Hose Fitting, OD Ø12 mm |
| Ambient Temperature Range | 5–35 °C |
| Max. Relative Humidity | ≤70% RH |
| Total Power Consumption | 835 W |
| Rated Current | 3.8 A |
| Power Supply | 220–240 V~, 50 Hz |
| Overall Dimensions (W×D×H) | 537 × 579 × 1094 mm |
| Net Weight | 85 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | VT-5000HC Cryogenic Trap |
| Quotation | Upon Request |
| Operating Temperature Range (No-Load) | −40 °C |
| Cooling Method | Indirect Refrigeration |
| Temperature Display | Digital, Pt100 Sensor |
| Temperature Setpoint Range | Adjustable Within Operational Limits |
| Safety Protections | Delay Start, Overcurrent Protection, Overtemperature Protection |
| Refrigeration Capacity | 920 W at −10 °C |
| Refrigerant | R404A |
| Cold Trap Chamber Dimensions | Ø250 mm × 250 mm (H) |
| Condenser Flask Dimensions | Ø50 mm × 300 mm (H) |
| Condenser Flask Material | Borosilicate Glass 3.3 |
| Quantity of Flasks | 3 |
| Vacuum Line Connection | Flexible Hose Fitting, OD 12 mm |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Total Power Consumption | 835 W |
| Input Current | 3.8 A |
| Power Supply | 220–240 V~, 50 Hz |
| Overall Dimensions (W×D×H) | 537 mm × 579 mm × 1094 mm |
| Net Weight | 85 kg |
| Chamber Material | AISI 304 Stainless Steel |
| Dual-Mode Operation | Direct Chamber Trapping & Removable Glass Condenser Bottle Configuration |
| Compatibility | Aqueous, Ethanol-Based, Acidic, and Organic Solvent Systems |
| Brand | The Great Wall |
|---|---|
| Model | VT-5000HC |
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Cooling Capacity | 920 W at −10°C, 520 W at −20°C, 280 W at −30°C, 40 W at −40°C |
| Minimum No-Load Temperature | −40°C |
| Cooling Method | Indirect refrigeration |
| Temperature Display | Digital, Pt100 sensor |
| Temperature Setting Range | Adjustable within operational range |
| Safety Protections | Delay start, overcurrent protection, overtemperature protection |
| Refrigerant | R404A |
| Cold Trap Chamber Dimensions | Ø250 × 250 mm |
| Condenser Flask Dimensions | Ø50 × 300 mm |
| Condenser Flask Material | Borosilicate glass 3.3 |
| Quantity of Flasks | 3 |
| Vacuum Port Interface | Flexible hose connector, OD Ø12 mm |
| Ambient Operating Conditions | 5–35°C, ≤70% RH |
| Power Consumption | 835 W |
| Input Current | 3.8 A |
| Power Supply | 220–240 V~, 50 Hz |
| Overall Dimensions (W×D×H) | 537 × 579 × 1094 mm |
| Net Weight | 85 kg |
| Construction Material (Cold Trap Body) | AISI 304 stainless steel |
| Dual-Mode Operation | Direct cold trap chamber or optional glass condenser flask configuration |
| Application Compatibility | Water, ethanol, acidic, and organic solvent systems |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | VT-5000HC |
| Cooling Capacity | 920 W at −10°C, 520 W at −20°C, 280 W at −30°C, 40 W at −40°C |
| Minimum No-Load Temperature | −40°C |
| Cooling Method | Indirect refrigeration |
| Temperature Display | Digital, Pt100 sensor |
| Temperature Setpoint Range | Adjustable within operational range |
| Safety Protections | Delayed start, overcurrent protection, overtemperature protection |
| Refrigerant | R404A |
| Cold Trap Chamber Dimensions | Ø250 × 250 mm |
| Condenser Flask Dimensions | Ø50 × 300 mm |
| Condenser Flask Material | Borosilicate glass 3.3 |
| Quantity of Flasks | 3 |
| Vacuum Port Interface | Flexible hose connector, OD Ø12 mm |
| Ambient Operating Conditions | 5–35°C, ≤70% RH |
| Power Supply | 220–240 V~, 50 Hz |
| Total Power Consumption | 835 W |
| Input Current | 3.8 A |
| Overall Dimensions (W×D×H) | 537 × 579 × 1094 mm |
| Net Weight | 85 kg |
| Chamber Material | AISI 304 stainless steel |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | VT-5000HC |
| Pricing | Available Upon Request |
| Cooling Capacity | 920 W at −10°C, 520 W at −20°C, 280 W at −30°C, 40 W at −40°C |
| Minimum No-Load Temperature | −40°C |
| Cooling Method | Indirect (Closed-Circuit Refrigeration) |
| Temperature Display | Digital, Pt100 Sensor |
| Temperature Setpoint Range | Adjustable Within Operating Range |
| Safety Protections | Delayed Start, Overcurrent Protection, Overtemperature Protection |
| Refrigerant | R404A |
| Cold Trap Chamber Dimensions | Ø250 × 250 mm (Stainless Steel 304) |
| Condenser Flask Dimensions | Ø50 × 300 mm |
| Condenser Flask Material | DIN 3.3 Borosilicate Glass (ISO 3585) |
| Quantity of Flasks | 3 |
| Vacuum Port Interface | Flexible Tubing Fitting, OD 12 mm |
| Ambient Operating Conditions | 5–35°C, ≤70% RH |
| Power Supply | 220–240 V~, 50 Hz |
| Total Power Consumption | 835 W |
| Rated Current | 3.8 A |
| Overall Dimensions (W×D×H) | 537 × 579 × 1094 mm |
| Net Weight | 85 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Authorized Distributor |
| Region of Manufacture | Domestic (China) |
| Model | ZN-3000 |
| Quotation | Upon Request |
| Temperature Range | −50 °C to 300 °C |
| Temperature Control Accuracy | ±1 °C |
| Stirring Speed Range | 10–300 rpm |
| Stirring Speed Accuracy | ±5 rpm |
| pH Range | 0–14 |
| pH Control Accuracy | ±0.4 pH |
| Dosing Pump Speed Range | 0–100 rpm |
| Dosing Speed Accuracy | ±0.4 rpm |
| Dosing Duration Range | 0–9999 min |
| Torque Display Range | 0–10 N·m |
| Programmable Control Segments | 50 |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Integrated Circulator |
| Cooling Method | Air-Cooled |
| Temperature Range | −30 °C to +200 °C |
| Refrigeration Capacity | 2.5 kW (at −30 °C) to 8.2 kW (at +200 °C) |
| Temperature Stability | ±0.5 °C |
| Circulation Pump Pressure | 1.5 bar |
| Circulation Flow Rate | 90 L/min |
| Bath Volume | 20 L |
| Operating Mode | Continuous Duty |
| Heating Power | 12 kW |
| Total Power Consumption | 18 kW |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Dimensions (L×W×H) | 1175 × 875 × 1720 mm |
| Display | 5.7″ TFT Color Touchscreen |
| Control Algorithm | Fuzzy Logic + PID |
| Programmable Profiles | 120 programs, up to 100 segments each |
| Communication Interface | RS485 or optional Ethernet |
| Language Support | English / Chinese selectable |
| Safety Protections | Overtemperature, overcurrent, overload, phase loss, leakage, delayed startup, low-level fluid detection |
| Heat Exchanger | Fully Brazed Plate-Type |
| Pump Type | Hermetically Sealed Magnetic Drive Circulation Pump |
| Fluid Compatibility | Synthetic heat-transfer fluids (e.g., silicone oil, glycol-water mixtures) |
| Enclosure Rating | IP20 |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Model | ZT-100-200-30H |
| Temperature Range | −30 °C to +200 °C |
| Temperature Stability | ±0.5 °C |
| Refrigerant | R404A |
| Heating Power | 12 kW |
| Cooling Capacity | 8.2 kW @ 30 °C, 6.2 kW @ 10 °C, 4.5 kW @ −20 °C, 2.5 kW @ −30 °C |
| Circulation Flow Rate | 45 L/min |
| Max. Pressure | 1.4 bar |
| Reservoir Volume | 20 L |
| Pump Power | 1 kW |
| Total Power Consumption | 18 kW |
| Display | 5.7″ TFT Color Touchscreen |
| Control Interface | RS-485 (MODBUS RTU) |
| Protection Features | Delay start, overcurrent, overheat, overtemperature, high/low pressure, dry-run |
| Enclosure Dimensions (W×D×H) | 875 × 1375 × 1687 mm |
| Net Weight | 385 kg |
| Construction Materials | SUS304 reservoir & piping, AISI 316 plate heat exchanger plates |
| Electrical Supply | 3-phase 380 V, 50 Hz |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | ZT-100-200-30HEX |
| Temperature Range | -30 °C to +200 °C |
| Temperature Stability | ±0.5 °C |
| Refrigerant | R404A |
| Cooling Capacity | 8.2 kW at 200 °C, 6.2 kW at -10 °C, 4.5 kW at -20 °C, 2.5 kW at -30 °C |
| Heating Power | 12 kW |
| Circulation Pump Power | 1.5 kW |
| Flow Rate | 40 L/min |
| Max Pressure | 1.2 bar |
| Reservoir Volume | 45 L |
| Total Power Consumption | 18 kW |
| Dimensions (W×D×H) | 1050 × 1560 × 1800 mm |
| Weight | 750 kg |
| Display | 7-inch TFT color touchscreen with explosion-proof touch mouse |
| Control Interface | MODBUS RTU via RS-485 |
| Programmable Profiles | 120 programs × 100 segments |
| Safety Certifications | Compliant with GB3836.1–3:2010 and JB/T2379 |
| Construction Materials | SUS304 reservoir & piping |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Model | ZT-100-200-80H |
| Temperature Range | -80 °C to +200 °C |
| Temperature Stability (at Reactor) | ±0.5 °C |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Power Supply | 3-phase 380 V, 50 Hz |
| Total Power | 35.1 kW |
| Heating Power | 12 kW |
| Refrigeration Capacity | 2.5–31 kW (varies with setpoint) |
| Pump Flow Rate | 40 L/min |
| Max. Discharge Pressure | 1.2 bar |
| Compressor | 2× Danfoss “M series” hermetic piston compressors |
| Refrigerants | R404A / R23 |
| Expansion Valve | Danfoss thermostatic, serviceable without line break |
| Evaporator | AUS316 plate-type, design temp. −160 °C to +200 °C |
| Circulation Loop Materials | SUS304 stainless steel |
| Reservoir Volume | 25 L |
| Dimensions (W×D×H) | 1010 × 1740 × 1620 mm |
| Net Weight | 714 kg |
| Control Interface | 7″ TFT color touchscreen, MODBUS RTU over RS-485 |
| Programmability | 120 programs × 100 segments |
| Safety Protections | Delay start, overcurrent, overtemperature, high/low pressure, dry-run, thermal overload |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Integrated Unit |
| Cooling Method | Air-Cooled |
| Temperature Range | −30 °C to +200 °C |
| Refrigeration Capacity | 0.3 kW (at −30 °C) to 1.7 kW (at +200 °C) |
| Temperature Stability | ±0.5 °C |
| Circulation Pump Pressure | 1 bar |
| Circulation Flow Rate | 30 L/min |
| Reservoir Volume | 20 L |
| Operating Mode | Continuous Duty |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | ZT-20-200-30HEx |
| Cooling Capacity (kW) | 1.7 @ 200°C |
| Heating Power (kW) | 3 |
| Circulation Flow Rate (L/min) | 35 |
| Maximum Pressure (bar) | 1 |
| Temperature Range (°C) | −30 to +200 |
| Temperature Stability (°C) | ±0.5 |
| Working Ambient Temperature (°C) | 5–35 |
| Relative Humidity | ≤70% |
| Power Supply | 3-phase 380 V, 50 Hz |
| Total Rated Power (kW) | 4.7 |
| Expansion Tank Capacity (L) | 15 |
| Pump Motor Power (kW) | 0.25 |
| Heat Transfer Fluid Reservoir Material | SUS304 |
| Piping & Valve Material | SUS304 |
| Display | TFT Color Touchscreen (Explosion-Proof Enclosure) |
| Control Interface | RS485, MODBUS RTU Protocol |
| Explosion Protection Marking | Exd II BT4 (All Electrical Components Except Compressor Housing) |
| Refrigerant | R410A |
| External Port Size | 3/4″ NPT |
| Dimensions (W×D×H, mm) | 895 × 1430 × 1725 |
| Net Weight (kg) | 400 |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Model | ZT-20-200-80H |
| Temperature Stability | ±0.5 °C (at 15–65 °C) |
| Temperature Range | −80 to 200 °C |
| Cooling Capacity | 1.7 kW @ 200 °C, 4.3 kW @ 10 °C, 3.1 kW @ −10 °C, 2.3 kW @ −20 °C, 1.2 kW @ −30 °C, 2 kW @ −35 °C, 1.4 kW @ −60 °C, 0.45 kW @ −78 °C |
| Heating Power | 3 kW |
| Total Power Consumption | 7.9 kW |
| Pump Flow Rate | 30 L/min (max), Pressure: 1 bar (max) |
| Bath Volume | 12 L |
| Display | 7″ color TFT touchscreen, resolution 0.01 °C |
| Communication | RS485, USB |
| Refrigerants | R404A + R23 |
| Protection | Overtemperature, high-pressure refrigeration, leakage, phase sequence, thermal overload, overcurrent, compressor delay start |
| Enclosure | Cold-rolled steel with powder coating |
| IP Rating | IP20 |
| Pollution Degree | 2 |
| Dimensions (W×D×H) | 885 × 1315 × 1565 mm |
| Weight | 393 kg |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Standard Accessories | 2.6 m insulated stainless-steel flexible hose |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Product Type | Integrated Circulating Chiller |
| Cooling Method | Air-Cooled |
| Temperature Control Range | −30 °C to +200 °C |
| Temperature Stability | ±0.5 °C (at 25 °C ambient, internal material temperature control) |
| Refrigeration Capacity | 0.6 kW @ 10 °C |
| Heating Power | 2.0 kW |
| Total Power Consumption | 3.0 kW |
| Circulation Pump Flow Rate | 25 L/min (max) |
| Circulation Pump Pressure | 1.5 bar (max) |
| Heat Transfer Fluid Volume | 3.5 L |
| Display | 7-inch color TFT touchscreen |
| Temperature Resolution & Setpoint Accuracy | 0.01 °C |
| Communication Interfaces | RS485, USB |
| Protection Features | Independent overtemperature, high-pressure refrigerant, leakage, phase sequence, thermal overload, and overcurrent protection |
| Enclosure Rating | IP20 |
| Refrigerant | R404A |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Dimensions (W×D×H) | 420 × 640 × 850 mm |
| Weight | 106 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Model | ZT-5-200-30H |
| Instrument Type | Integrated Unit |
| Cooling Method | Air-Cooled |
| Temperature Control Range | −30 °C to +200 °C |
| Temperature Stability | ±0.5 °C |
| Heating Power | 2 kW |
| Total Power Consumption | 3.0 kW |
| Refrigeration Capacity | 0.2–0.6 kW (varies with setpoint) |
| Circulating Pump Flow Rate | up to 25 L/min |
| Pump Pressure | up to 1.5 bar |
| Heat Transfer Fluid Volume | 3.5 L |
| Display | 7-inch color TFT touchscreen |
| Communication Interfaces | RS485, USB |
| Protection Features | Overtemperature, high-pressure refrigerant, leakage, phase sequence, thermal overload, overcurrent, and compressor delay-start protection |
| Enclosure Rating | IP20 |
| Operating Ambient | 5–35 °C, ≤70% RH |
| Refrigerant | R404A |
| Weight | 106 kg |
| Dimensions (W×D×H) | 420 × 640 × 850 mm |